// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 9.2.6_2
description: >
    Tests that the behavior of a List is not affected by adversarial
    changes to Array.prototype.
author: Norbert Lindenberg
includes: [testIntl.js]
---*/

function Test() {
    taintArray();

    testWithIntlConstructors(function (Constructor) {
        // this test should work equally for both matching algorithms
        ["lookup", "best fit"].forEach(function (matcher) {
            var defaultLocale = new Constructor().resolvedOptions().locale;
            var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale],
                {localeMatcher: matcher});
            assert.sameValue(canonicalized.length > 1, false, "Canonicalization with matcher " + matcher + " didn't remove duplicate language tags from locale list.");
        });
    });
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
